16661130610154 has 24 divisors (see below), whose sum is σ = 25833561787584. Its totient is φ = 8058816624600.

The previous prime is 16661130610153. The next prime is 16661130610183. The reversal of 16661130610154 is 45101603116661.

It is a super-2 number, since 2×16661130610154² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16661130610153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3510929 + ... + 6756395.

It is an arithmetic number, because the mean of its divisors is an integer number (1076398407816).

Almost surely, 2^{16661130610154} is an apocalyptic number.

16661130610154 is a deficient number, since it is larger than the sum of its proper divisors (9172431177430).

16661130610154 is a wasteful number, since it uses less digits than its factorization.

16661130610154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248202 (or 3248171 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 16661130610154 in words is "sixteen trillion, six hundred sixty-one billion, one hundred thirty million, six hundred ten thousand, one hundred fifty-four".